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Out of the following which is amphoteric...

Out of the following which is amphoteric oxide ?

A

`CO_2`

B

` SO_2`

C

`Na_2 O`

D

`Al_2 O_3`

Text Solution

Verified by Experts

The correct Answer is:
C
`Al_2 O_3` shows both acidic as well as basic character as shown below
` underset("(Acidic)")(Al_2 O_3 ) + 6NaOH + 3H_2 O to 2 Na _3 [Al (OH)_6]`
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